尿中有β2微球蛋白（）
A.溢出性蛋白尿
B.肾小管性蛋白尿
C.急性肾小球肾炎
D.直立性蛋白尿
E.隐匿性肾炎
参考答案：B
. Being out of order, ______ to the factory.
A．he sent his computer
B．he drove at once
C．his computer was sent
D．his father helped him send it
5S管理活动中，考核有哪几种形式？
